Centralize version string getting. Still trying to work out how we should handle automatic version increments so we don't have to modify files all the time. Remove version file from repo (should only be a thing when building binaries)

pyfa.py

@@ -95,10 +95,6 @@ if __name__ == "__main__":
     if options.rootsavedata is True:
         config.saveInRoot = True
 
-    # set title if it wasn't supplied by argument
-    if options.title is None:
-        options.title = "pyfa %s%s - Python Fitting Assistant" % (config.version, "" if config.tag.lower() != 'git' else " (git)")
-
     config.debug = options.debug
     config.loggingLevel = config.LOGLEVEL_MAP.get(options.logginglevel.lower(), config.LOGLEVEL_MAP['error'])
     config.defPaths(options.savepath)
@@ -131,6 +127,10 @@ if __name__ == "__main__":
 
         from gui.mainFrame import MainFrame
 
+        # set title if it wasn't supplied by argument
+        if options.title is None:
+            options.title = "pyfa %s - Python Fitting Assistant" % (config.getVersion())
+
         pyfa = wx.App(False)
         mf = MainFrame(options.title)
         ErrorHandler.SetParent(mf)